Simply buy lot of potential altcoins and go to hold.When you see market turn to green sell your altcoins in good price.Fall market actually a opportunity for make money.But be careful before invest.
your plan is very good, but before we take action to buy and sell,
it helps us first to study the market conditions of one of the altcoins we will buy.
indeed the free market has the potential to make us rich, but the risk is also quite large.
if we don't want to lose a lot of money. then we have to learn a lot to avoid the risks around it.